520026879 has 8 divisors (see below), whose sum is σ = 694794880. Its totient is φ = 345971736.

The previous prime is 520026877. The next prime is 520026919. The reversal of 520026879 is 978620025.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 520026879 - 2¹ = 520026877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520026877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176509 + ... + 179430.

It is an arithmetic number, because the mean of its divisors is an integer number (86849360).

Almost surely, 2^520026879 is an apocalyptic number.

520026879 is a deficient number, since it is larger than the sum of its proper divisors (174768001).

520026879 is a wasteful number, since it uses less digits than its factorization.

520026879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356429.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 520026879 is about 22804.0978554294. The cubic root of 520026879 is about 804.1590070031.

The spelling of 520026879 in words is "five hundred twenty million, twenty-six thousand, eight hundred seventy-nine".